Draw the major product obtained when each of the following alkyl halides undergoes an E2 reaction: a. CH3CHCH,CH3 c. CH;CHCH,CH3 e. CH3CHCH,CH,CH3 Br CI CI .CI CH,CI CH3 b. d. f. CI

Q: stion 11 of 11 Draw the most stable form of the major mixed Claisen product formed in the reaction.…

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Q: -78 °C (CH3)3SICI Choose. + (CH2)½CCI ZnCl2

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Q: What reagents ( A–D) are needed to carry out each reaction in the following sequence?

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Q: 17. Select the reagents that would complete the transformation below. A. 1. NH,NH,, HCI 2. KOH, H,O,…

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Q: These reagents can produce ketones with alkynes A. BH3, THF, H2O2 B. KMnO4 C. O3 D. H2SO4, H2O,…

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Q: Which reagents would afford the product shown? 1 2 HO. NBS, heat; 2. Na2Cr2O7, H2SO4(aq) 1. KMNO4,…

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Q: 40. What is the major product of the following reaction sequence? COCH3 HCI CH3OH СООН CH3 fOCH3 CH3…

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Q: Draw the major product of the three-step synthesis shown. 1. cat. H3O* H. `Br 2. 3. H30* ZI

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Q: What is the major product formed when the following compound undergo an E1 reaction? CH, -CH;CH;

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Q: 3. Draw the major product to each of the following reactions. HCI b. H2 Lindlar's catalyst C, H20…

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Q: Draw the most stable form of the major product in the following reaction. 1. NaOC,H, 2. Н,о* С, Н,ОН

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Q: Which alkyl halide in each pair is more reactive in an E2 reaction with hydroxide ion?

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Q: 1. LDA CH3-CH2-C-CH2-CH3 2. CH3-Br

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Q: A10. Which of the following statements is true for an E1 reaction? The rate of an E1 elimination…

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Q: 7:30 Which alkyl halide in each of the following pairs will react faster in an SN2 reaction with…

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Reactions of Ethers

Ethers (R-O-R’) are compounds formed by replacing hydrogen atoms of an alcohol (R-OH compound) or a phenol (C6H5OH) by an aryl/ acyl group (functional group after removing single hydrogen from an aromatic ring). In this section, reaction, preparation and behavior of ethers are discussed in the context of organic chemistry.

Epoxides

Epoxides are a special class of cyclic ethers which are an important functional group in organic chemistry and generate reactive centers due to their unusual high reactivity. Due to their high reactivity, epoxides are considered to be toxic and mutagenic.

Williamson Ether Synthesis

An organic reaction in which an organohalide and a deprotonated alcohol forms ether is known as Williamson ether synthesis. Alexander Williamson developed the Williamson ether synthesis in 1850. The formation of ether in this synthesis is an SN2 reaction.